Convertible crib



FIG. 1 is a perspective view of my new convertible crib;

FIG. 2 is a front side view thereof;

FIG. 3 is a left side view thereof (the right side view would be a mirror image of this view);

FIG. 4 is a back side view thereof;

FIG. 5 is a top side view thereof; and,

FIG. 6 is a bottom side view thereof. 

The ornamental design for a convertible crib, as shown and described. 